Cervical opening during estrus in Aceh Local Cows based on camera-equipped artificial insemination endoscope

Twelve healthy and not pregnant local cows, aged 3-6 years, 1-3 parity. The cows were synchronized using the PGF2α of 5 ml/cow intramuscularly, twice at 11 days intervals. Estrus detection based on scoring van Eerdenburg was conducted 24 hours after second prostaglandin injection three times daily for days. changes in cervical dilatation observed 0, 6, 12 from onset estrus. result showed that 8 estrus injection. All mild with liquid transparent mucus (opening cervix score 1) 0-hour observation. Six later, 62.50% remained opening 1, 37.50% changed to 2 (optimum thick mucus). At estrus, 25% had closure closed turbid mucus), 75% 2. In this study, experienced an optimum open It could be concluded external canal Aceh reaches